It was an odd thing for her mum to notice during the mad morning rush - but it would prove to be the first sign something was not quite right for 4-year-old Natalia Lui. Fuamatala Lui was getting her three young children ready for the day when she looked up and noticed her daughter acting strangely. “She couldn’t hold her toothbrush.

I looked at her and I said: ‘Are you okay? Is something wrong with your hand’?” ‘Her movements don’t look right’ Lui initially brushed it off; thinking her daughter was still feeling sleepy that morning. But as she helped her to get dressed, her little girl kept falling over..